Creative EP-830 In-Ear Noise Isolating Earphones Top quality audio and superior styling, for private listening with MP3 and CD players Ergonomic design for hours of comfort Provided with silicone earbuds in three sizes for a perfect fit plus noise isolation Gold-plated plug for a pure music path; Travel pouch for protection on the move Driver Units: 9mm Neodymium magnet Frequency Response: 6Hz-23kHz Impedance: 16 ohms Sensitivity (1kHz): 106dB/mW Cord Length: 1.2m Oxygen-Free Copper cable Net Weight: 9g (without packaging)